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How High-Fat Diets Reshape Gut Bacteria and Fuel Colorectal Cancer Growth

Published : 5 October, 2026


Dr. Shivendra Singh, Director, Surgical Oncology & Chief, GI & HPB Onco Surgery, RGCIRC, was featured in BW HealthcareWorld with an article exploring how high-fat, Western-style diets may reshape gut bacteria and bile acid metabolism, potentially creating conditions that support colorectal cancer growth. The article highlights the established association between diets high in red and processed meat, saturated fats and ultra-processed foods, particularly when combined with low fibre intake, and colorectal cancer risk, while discussing emerging research on the diet–gut microbiome connection and how dietary patterns can influence the composition and activity of gut bacteria

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